These <b>socks</b> from <a href="http://www.selfridges.com/en/calvin-klein/womens/clothing/nightwear-lingerie/hosiery/socks/?llc=sn" style="text-decoration: none"><font color="black"><b>Calvin Klein</b></font></a> are designed for movement and comfort. The elasticated ankle band means that the liner stays in place, with a comfort toe seam and signature silicone sole grips ensuring non-slip grip that&#39;s perfect for shoe-free activities like pilates. Made with cotton for breathability, and moisture wicking to keep your feet dry and cool, this pair are a no-nonsense option for your activity of choice.